Home / 1,375,841.90-2,064,128.84-477,282.17

Finding the Fourth Proportional to 1,375,841.90, 2,064,128.84 and 477,282.17

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Solution

The fourth proportional to 1,375,841.90, 2,064,128.84 and 477,282.17 is: 716,050.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,375,841.90 : 2,064,128.84 = 477,282.17 : x
  2. Step 2: Convert to fraction form
    1,375,841.90/2,064,128.84 = 477,282.17/x
  3. Step 3: Cross multiply
    1,375,841.90x = 2,064,128.84 × 477,282.17
  4. Step 4: Simplify right side
    1,375,841.90x = 985,171,896,478.50
  5. Step 5: Solve for x
    x = 985,171,896,478.50/1,375,841.90
  6. Step 6: Final answer
    x = 716,050.22

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.